What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Brussels?

TAP AIR PORTUGAL, Turkish Airlines, and United Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Brussels

What airlines fly to Brussels?

United Airlines, Scandinavian Airlines and Aer Lingus are the top three most popular airlines that fly to Brussels from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Brussels. Keep in mind that there are 8 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Brussels?

Prices for flights from Washington, D.C. Dulles Intl Airport to Brussels are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Brussels?

The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Brussels is 8 as of July 2026.

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Brussels?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Brussels.

What documentation or ID do you need to fly to Brussels?

The necessary travel and health documents for your Brussels trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$222 Cheap Flights from Washington, D.C. Dulles Intl Airport to Brussels in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Brussels on average per week?

The number of flights available between Washington, D.C. Dulles Intl Airport and Brussels is 52 per week as of July 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Brussels on average per day?

7 flights are operational daily from Washington, D.C. Dulles Intl Airport to Brussels as of July 2026. The most popular departure time for this route is 5:00PM, with 100% of flights per day taking off in the afternoon.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Brussels

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 pm - 12:00 pm

IAD

BRU

33h 40m

2 stops

7:00 pm - 6:15 pm

BRU

IAD

28h 15m

2 stops

$698Scandinavian Airlines

Fri, Oct 16 - Tue, Oct 27

8:20 pm - 6:15 pm

IAD

BRU

15h 55m

2 stops

6:55 pm - 5:00 pm

BRU

IAD

28h 05m

2 stops

$698Scandinavian Airlines

Wed, Sep 23 - Wed, Sep 30

4:45 pm - 6:00 pm

IAD

BRU

19h 15m

1 stop

11:35 am - 2:40 pm

BRU

IAD

33h 05m

1 stop

$699ITA Airways

Tue, Nov 10 - Mon, Nov 16

8:30 pm - 12:55 pm

IAD

BRU

10h 25m

1 stop

10:20 am - 3:45 pm

BRU

IAD

11h 25m

1 stop

$702Multiple Airlines

Fri, Oct 16 - Wed, Oct 21

8:30 pm - 12:55 pm

IAD

BRU

10h 25m

1 stop

1:50 pm - 7:20 pm

BRU

IAD

11h 30m

1 stop

$719Icelandair

Wed, Aug 19 - Thu, Sep 17

11:20 pm - 12:55 pm

IAD

BRU

31h 35m

1 stop

1:50 pm - 7:20 pm

BRU

IAD

11h 30m

1 stop

$723Icelandair

Wed, Aug 19 - Wed, Aug 26

5:25 pm - 11:00 am

IAD

BRU

11h 35m

1 stop

6:00 am - 8:35 pm

BRU

IAD

20h 35m

1 stop

$731TAP AIR PORTUGAL

Mon, Dec 14 - Fri, Dec 25

5:25 pm - 11:00 am

IAD

BRU

11h 35m

1 stop

11:50 am - 8:35 pm

BRU

IAD

14h 45m

1 stop

$733TAP AIR PORTUGAL

Mon, Nov 9 - Wed, Nov 18

1:15 pm - 1:25 pm

IAD

BRU

18h 10m

1 stop

11:10 am - 11:30 am

BRU

IAD

30h 20m

1 stop

$760Turkish Airlines

Tue, Sep 8 - Fri, Sep 25

2:30 pm - 5:15 pm

IAD

BRU

20h 45m

1 stop

3:15 pm - 11:45 am

BRU

IAD

26h 30m

1 stop

$760Turkish Airlines

Tue, Nov 3 - Tue, Nov 17

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Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets

Scandinavian Airlines

Oct 16

IAD8:20 pmWashington, D.C. Dulles Intl

33h 40m

2 stops

BRU12:00 pmBrussels Bruxelles-National

Oct 21

BRU9:10 pmBrussels Bruxelles-National

25h 50m

2 stops

IAD5:00 pmWashington, D.C. Dulles Intl

$698

Scandinavian Airlines

Aug 31

IAD8:20 pmWashington, D.C. Dulles Intl

17h 30m

1 stop

BRU7:50 pmBrussels Bruxelles-National

Sep 4

BRU10:20 amBrussels Bruxelles-National

12h 40m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$700

Scandinavian Airlines

Sep 9

IAD8:20 pmWashington, D.C. Dulles Intl

20h 40m

1 stop

BRU11:00 pmBrussels Bruxelles-National

Sep 16

BRU5:45 amBrussels Bruxelles-National

17h 15m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$702

Icelandair flights from Washington, D.C. Dulles Intl Airport to Brussels

Our best Icelandair deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets

Icelandair

Aug 19

IAD11:20 pmWashington, D.C. Dulles Intl

31h 35m

1 stop

BRU12:55 pmBrussels Bruxelles-National

Aug 26

BRU1:50 pmBrussels Bruxelles-National

11h 30m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$723

Icelandair

Oct 8

IAD8:30 pmWashington, D.C. Dulles Intl

10h 25m

1 stop

BRU12:55 pmBrussels Bruxelles-National

Oct 19

BRU1:50 pmBrussels Bruxelles-National

11h 30m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$739

Icelandair

Aug 8

IAD8:30 pmWashington, D.C. Dulles Intl

10h 25m

1 stop

BRU12:55 pmBrussels Bruxelles-National

Aug 19

BRU1:50 pmBrussels Bruxelles-National

11h 30m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$952

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Fri 10/16

8:20 pm-12:00 pm

2 stops33h 40m

Brussels Bruxelles-National

Tue 10/27

7:00 pm-6:15 pm

2 stops28h 15m

$698

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 9/23

8:20 pm-6:15 pm

2 stops15h 55m

Brussels Bruxelles-National

Wed 9/30

6:55 pm-5:00 pm

2 stops28h 05m

$698

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 11/10

4:45 pm-6:00 pm

1 stop19h 15m

Brussels Bruxelles-National

Mon 11/16

11:35 am-2:40 pm

1 stop33h 05m

$699

Quickest round-trip

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Fri 10/16

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Wed 10/21

10:20 am-3:45 pm

1 stop11h 25m

$702

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 8/19

8:30 pm-12:55 pm

1 stop10h 25m

Brussels Bruxelles-National

Thu 9/17

1:50 pm-7:20 pm

1 stop11h 30m

$719

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 8/19

11:20 pm-12:55 pm

1 stop31h 35m

Brussels Bruxelles-National

Wed 8/26

1:50 pm-7:20 pm

1 stop11h 30m

$723

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 12/14

5:25 pm-11:00 am

1 stop11h 35m

Brussels Bruxelles-National

Fri 12/25

6:00 am-8:35 pm

1 stop20h 35m

$731

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 11/9

5:25 pm-11:00 am

1 stop11h 35m

Brussels Bruxelles-National

Wed 11/18

11:50 am-8:35 pm

1 stop14h 45m

$733

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 9/8

1:15 pm-1:25 pm

1 stop18h 10m

Brussels Bruxelles-National

Fri 9/25

11:10 am-11:30 am

1 stop30h 20m

$760

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 11/3

2:30 pm-5:15 pm

1 stop20h 45m

Brussels Bruxelles-National

Tue 11/17

3:15 pm-11:45 am

1 stop26h 30m

$760

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Brussels

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Brussels?

Prices are currently typical for flights on this route.

Typical prices usually range from $676 to $1,206.
The lowest price recently found on this route was $698.

What is the cheapest month to fly to Brussels?

In general, January is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $600. If you are unable to visit Brussels during the month of January, then departing from Washington, D.C. Dulles Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around $615.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from Washington, D.C. Dulles Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,187. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,379.

What is the cheapest Washington, D.C. Dulles Intl to Brussels flight route?

Fly from Washington, D.C. Dulles Intl to Brussels Bruxelles-National for the best Washington, D.C. Dulles Intl - Brussels flight prices

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Brussels?

You are more likely to see cheaper flights to Brussels from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $834 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Washington, D.C. Dulles Intl Airport for as low as $716 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Brussels flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Washington, D.C. Dulles Intl Airport to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Brussels

Fastest flight time	7h 30m
Direct flights	Every day
Airports in Brussels	2 airports

The fastest flight from Washington, D.C. Dulles Intl Airport to Brussels takes 7h 30m

Direct flights go from Washington, D.C. Dulles Intl Airport to Brussels every day.

There are 2 airports in Brussels. From Washington, D.C. Dulles Intl Airport there are direct flights to Brussels Bruxelles-National (BRU).

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Brussels

How far is Washington, D.C. Dulles Intl to Brussels by plane?
There are 3874.4 mi between Washington, D.C. Dulles Intl and Brussels. Typically, this will take 7h 30m by plane in normal conditions.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Brussels?
Prices for flights from Washington, D.C. Dulles Intl Airport to Brussels are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Brussels?
The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Brussels is 8 as of July 2026.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Brussels?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Brussels.
What documentation or ID do you need to fly to Brussels?
The necessary travel and health documents for your Brussels trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Brussels

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Brussels with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $393	Free Cancellation	Rating 7.0 717 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $440	Free Cancellation	Rating 7.2 2,347 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $463	Free Cancellation	Rating 7.4 1,903 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 4,451 reviews	Search Turkish Airlines flights
Aer Lingus	PriceFrom $539	Free Cancellation	Rating 7.3 1,681 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $642	Free Cancellation	Rating 7.4 10,041 reviews	Search United Airlines flights
Lufthansa	PriceFrom $762	Free Cancellation	Rating 6.8 8,157 reviews	Search Lufthansa flights
Brussels Airlines	PriceFrom $762	Free Cancellation	Rating 7.2 422 reviews	Search Brussels Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Brussels?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Brussels for you.

Can I find flights from Washington, D.C. to Brussels with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Brussels flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Brussels?

momondo helps you find the best flight between Washington, D.C. and Brussels by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Brussels right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Brussels from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Brussels from $222

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Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets

Icelandair flights from Washington, D.C. Dulles Intl Airport to Brussels

Our best Icelandair deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brussels that are best for you.

See travel insights to Brussels from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Brussels

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Brussels?

What is the cheapest month to fly to Brussels?

What is the cheapest day to depart on your flight to Brussels?

What is the cheapest Washington, D.C. Dulles Intl to Brussels flight route?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Brussels?

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Brussels flights?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Brussels?

What airlines fly to Brussels?

How many flights depart from Washington, D.C. Dulles Intl Airport to Brussels on average per day?

How many flights depart from Washington, D.C. Dulles Intl Airport to Brussels on average per week?

Cheap Washington, D.C. Dulles Intl Airport to Brussels flight deals and tips

Fastest flight time

Direct flights

Airports in Brussels

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Brussels

Best airlines flying from Washington, D.C. Dulles Intl Airport to Brussels

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Brussels with momondo

Why use momondo?

An easier way to manage your Brussels trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels

Fly your favorite airline to Brussels

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